205655162960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1\times {\mathrm{24971}}^1$

素因数の和:32916

約数の個数: 80

約数和(自身を含む): 515014536960

約数和(自身を除く): 309359374000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7919, 15838, 24971, 31676, 39595, 49942, 63352, 79190, 99884, 102947, 124855, 126704, 158380, 199768, 205894, 249710, 316760, 324623, 399536, 411788, 499420, 514735, 633520, 649246, 823576, 998840, 1029470, 1298492, 1623115, 1647152, 1997680, 2058940, 2596984, 3246230, 4117880, 5193968, 6492460, 8235760, 12984920, 25969840, 197745349, 395490698, 790981396, 988726745, 1581962792, 1977453490, 2570689537, 3163925584, 3954906980, 5141379074, 7909813960, 10282758148, 12853447685, 15819627920, 20565516296, 25706895370, 41131032592, 51413790740, 102827581480, 205655162960]

約数ペア:

[(1, 205655162960), (2, 102827581480), (4, 51413790740), (5, 41131032592), (8, 25706895370), (10, 20565516296), (13, 15819627920), (16, 12853447685), (20, 10282758148), (26, 7909813960), (40, 5141379074), (52, 3954906980), (65, 3163925584), (80, 2570689537), (104, 1977453490), (130, 1581962792), (208, 988726745), (260, 790981396), (520, 395490698), (1040, 197745349), (7919, 25969840), (15838, 12984920), (24971, 8235760), (31676, 6492460), (39595, 5193968), (49942, 4117880), (63352, 3246230), (79190, 2596984), (99884, 2058940), (102947, 1997680), (124855, 1647152), (126704, 1623115), (158380, 1298492), (199768, 1029470), (205894, 998840), (249710, 823576), (316760, 649246), (324623, 633520), (399536, 514735), (411788, 499420)]